Funabashi, Japan

Osamu Itoh

This inventor holds 1 USPTO granted patent. Top assignee: Kao Soap Company, Ltd.. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Itoh. Retrieved from https://idiyas.com/inventor/osamu-itoh-x7qq6yxh

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 54(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Osamu Itoh

Introduction

Osamu Itoh is a notable inventor based in Funabashi, Japan. He is recognized for his contributions to the field of hygiene products, particularly in the development of disposable diapers. His innovative approach has led to advancements that enhance comfort and functionality for users.

Latest Patents

One of Osamu Itoh's significant inventions is a disposable diaper. This diaper comprises an absorbing material that includes a sheet containing water-absorbing polymer powder, which is sandwiched between two papers. A multitude of slits is formed on the sheet, and fluff pulp layers are included to enhance absorption. The paper that contacts the skin is designed to have high wet strength, while the paper on the back face of the diaper has low wet strength. This design ensures both comfort and effectiveness in moisture management.

Career Highlights

Osamu Itoh has made a substantial impact in the hygiene product industry through his work at Kao Soap Company, Ltd. His innovative designs have not only improved product performance but have also set new standards in the market. With a patent portfolio that includes 1 patent, he continues to be a driving force in product innovation.

Collaborations

Throughout his career, Osamu Itoh has collaborated with talented individuals such as Kazunori Nishizawa and Toshihiro Shirose. These partnerships have fostered a creative environment that encourages the development of groundbreaking products.

Conclusion

Osamu Itoh's contributions to the field of disposable diapers exemplify the importance of innovation in everyday products. His work continues to influence the industry and improve the lives of consumers.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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